Electrically-propelled vehicle



(No Model.)

B. N. ALLEN. ELEGTRIOALLY PROPELLED VEHIGLE.

I Patented Aug. 27

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UNITED STATES PATENT OFFICE.

RICHARD N. ALLEN, OF CLEVELAND, OHIO.

ELECTRlCALLY-PROPELLED VEHICLE.

SPECIFICATION forming part of Letters Patent No. 409,815, dated August27, 1889.

Application filed May 22, 1889. $erial No. 311,656- (No model.)

To aZZ whom it may concern:

Be it known that I, RICHARD N. ALLEN, of the city of Cleveland, in thecounty of Guyahoga and State of Ohio, have invented certain new anduseful Improvements in Electrically-Propelled Vehicles, of which thefollowing is a full, clear, and exact description, reference being hadto the accompanying drawings.

This invention relates to vehicles propelled by electric motors, in.which the electric motor, mounted upon the car or the truck thereof, isconnected with the axles of the wheels of the car for driving them byfriction-wheels applied by a yielding pressure to the axles of thecar-Wheels and to the motor-shafts, or to parts attached to such axlesand such shafts.

The present invention relates particularly to improvements upon thedevices shown in my pending application, Serial No. 302,794, filed March11, 1889, which devices embody the form of electrically-driven carsabove alluded to. i

The object of these improvements is to relieve the motor and drivingmechanism from the effects of shocks due to irregularities of the rails,or to obstruct-ions on the track, or to sudden stoppages or starts; andthe present invention consists of means whereby the pressure of theyielding friction-wheels between the axles of the car and the shafts ofthe motor may be constantly under the easy control of and r gulated bythe conductor of the car.

In the drawings, Figure 1 is an elevation view of the truck parts andlower part of the body, partially sectional on plane a: 00 of Fig. 2, ofa car embodying my improvements. Fig. 2 is a plan View of the same, thebody of the car being removed.

Referring to these views in detail,A repre' sents the wheels of a car,and B the axles of the same. These axles will be journaled in anysuitable frame or like structure connecting them and the car-body. Uponone of these axles is hung the electric motor 0 by the journal-shouldersD D of the motor-frame, the front end of this motor-frame being attachedto the framework of the truck or to one of the cross-bars E by the rodF, (broken away in the drawings,) or by any other rigid or elasticconnection. 1

On the arms G of the motor-frame is pivotally hung, by link-connections,the frictiondisk frame 11, which carries the friction-disks I. 011 eachend of the armature-shaft of the motor are friction-disks J, and uponthe axles are like disks K, and these disks J .and K are arranged. so asto mesh with the disks I. The motor may be of any suitable construction,and may have its wires arranged to take a current from a track-line orfrom a source of electricity carried on the car.

To the front end of the friction-disk frame H is attached a spring L,and to this spring a chain M, which passes over a pulley N on themotor-frame, and is attached to a rod 0, which at its other end isprovided with a chain adapted to be wound up on the hand-wheel shaft P,extending to a position at the end of the car convenient to theconductor. The weight of the yielding friction-disk frame is such thatnormally the axles of the car are in operable connection with thearmatureshaft. If, however, a sudden resistance is encountered by thecar-wheels, the frame under the action of the armature-shaft may rise alittle, when the loose disks thereon will slip on the disks of theaxles; but it is highly desirable that this yielding capacity of thisframe be under the control of the conductor of the car, since, forvariation in the grade of 7 wheel.

I have shown in the drawings two motor, one for each of two axles, andthe yielding friction-roll frames connected to the same spring, fromwhich run handbperating rods to each end of the car; but manifestly thisarrangement may be variously modified, The two axles might be workedfrom one motor, or the motors for each axle be entirely disconnected andseparately governed.

What is claimed as new is- 1. In an electric-motor car, the combination,with. one of the car-axles provided with a friction-disk, of a motor thearmature-shaft of which is provided With a friction-disk, a yieldingframe carrying a friction-disk arranged t0 operably connect the disks ofthe car-axle and the motor-shaft, and connections between said frame andthe car-body by which the disk of the frame may be applied to the otherdisks with the desired pressure.

2. In combination with the car-axles and the motor-shaft, each carryingfriction-disks, the movable frame and its friction-disk, and

an elastic or yielding connection between said frame and a hand-wheelshaft extending to the car-conductors posit-ion.

3. In combination with the car-axles and motor armature-shaft, eachcarrying frictiondisks, the movable frame H and its frictiondisk I, thespring L, attached to the frame, and the connection With the handwheelshaft P.

RICHARD N. ALLEN. Witnesses:

H. D. DRAKE, G. H. COOK.

